22 lines
802 B
Rust
22 lines
802 B
Rust
use std::env;
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const CFG_KEY: &'static str = "py_sys_config";
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fn main() {
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// python{27,3.x}-sys/build.rs passes python interpreter compile flags via
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// environment variable (using the 'links' mechanism in the cargo.toml).
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let flags = env::var("DEP_PYTHON27_PYTHON_FLAGS").unwrap();
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for f in flags.split(",") {
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// write out flags as --cfg so that the same #cfg blocks can be used
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// in rust-cpython as in the -sys libs
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let key_and_val: Vec<&str> = f.split("=").collect();
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let key = key_and_val[0];
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let val = key_and_val[1];
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if key.starts_with("FLAG") {
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println!("cargo:rustc-cfg={}=\"{}\"", CFG_KEY, &key[5..])
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} else {
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println!("cargo:rustc-cfg={}=\"{}_{}\"", CFG_KEY, &key[4..], val);
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}
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}
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}
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